<template>
  <div style="background-color: #283443;height: 100%">
    <div class="register-container">
      <el-dialog v-loading="loading" title="注册" :visible.sync="registerDiaIsShow" class="diaForm">
        <el-form
          ref="registerForm"
          :model="registerForm"
          :rules="registerRules"
          label-width="140px"
        >
          <el-form-item label="用户名" prop="username">
            <el-input
              v-model="registerForm.username"
              type="text"
              placeholder="请输入用户名"
            />
          </el-form-item>
          <el-form-item label="密码" prop="password">
            <el-input
              v-model="registerForm.password"
              type="password"
              placeholder="请输入密码"
            />
          </el-form-item>
          <el-form-item>
            <el-button
              type="primary"
              @click="register()"
            >确认
            </el-button>
            <el-button @click="registerDiaIsShow = false">取消</el-button>
          </el-form-item>
        </el-form>
      </el-dialog>
    </div>
    <div class="login-container">
      <el-form
        ref="loginForm"
        :model="loginForm"
        :rules="loginRules"
        class="login-form"
        auto-complete="on"
        label-position="left">

        <div class="title-container">
          <h3 class="title">登陆</h3>
        </div>

        <el-form-item prop="username">
        <span class="svg-container">
          <svg-icon icon-class="user"/>
        </span>
          <el-input
            ref="username"
            v-model="loginForm.username"
            placeholder="用户名"
            name="username"
            type="text"
            tabindex="1"
            auto-complete="on"
          />
        </el-form-item>

        <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password"/>
        </span>
          <el-input
            :key="passwordType"
            ref="password"
            v-model="loginForm.password"
            :type="passwordType"
            placeholder="密码"
            name="password"
            tabindex="2"
            auto-complete="on"
            @keyup.enter.native="handleLogin"
          />
          <span class="show-pwd" @click="showPwd">
          <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'"/>
        </span>
        </el-form-item>
        <el-row :gutter="10">
          <el-col :span="18">
            <el-button :loading="loading" type="primary" style="width:100%;margin-bottom:30px;"
                       @click.native.prevent="handleLogin">登陆
            </el-button>
          </el-col>
          <el-col :span="6">
            <el-button :loading="loading" style="width:100%;margin-bottom:30px;" @click="registerDiaIsShow = true">注册
            </el-button>
          </el-col>
        </el-row>
        <!-- <div class="tips">
          <span style="margin-right:20px;">账号: admin</span>
          <span> 密码: any</span>
        </div> -->

      </el-form>
    </div>
  </div>
</template>

<script>
import {
  Message
} from 'element-ui'

export default {
  name: 'Login',
  data() {
    const validateUsername = (rule, value, callback) => {
      if (value.length < 6) {
        callback(new Error('请输入用户名6位，请重新输入'))
      } else {
        callback()
      }
    }
    const validatePassword = (rule, value, callback) => {
      if (value.length < 6) {
        callback(new Error('密码小于6位，请重新输入'))
      } else {
        callback()
      }
    }
    return {
      registerDiaIsShow: false,
      registerRules: {
        username: [{required: true, trigger: 'blur', validator: validateUsername}],
        password: [{required: true, trigger: 'blur', validator: validatePassword}]
      },
      registerForm: {
        username: 'liguoxin',
        password: '123456'
      },
      registerEditType: '',
      loginForm: {
        username: 'liguoxin',
        password: '123456'
      },
      loginRules: {
        username: [{required: true, trigger: 'blur', validator: validateUsername}],
        password: [{required: true, trigger: 'blur', validator: validatePassword}]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined
    }
  },
  watch: {
    $route: {
      handler: function (route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  methods: {
    showPwd() {
      if (this.passwordType === 'username') {
        this.passwordType = ''
      } else {
        this.passwordType = 'username'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {

        if (valid) {
          this.loading = true
          this.$store.dispatch('admin/login', this.loginForm).then((res) => {
            Message({
              message: res.msg,
              type: 'success',
              duration: 5 * 1000
            })
            this.$router.push({path: this.redirect || '/'})
            this.loading = false
          }).catch((e) => {
            console.log(e)
            this.loading = false
          })
        } else {
          console.log('error submit!!')
          return false
        }
      })
    },
    register() {
      this.$refs.registerForm.validate(valid => {
        if (valid) {
          this.loading = true
          this.$store.dispatch('admin/register', this.registerForm).then((res) => {
            Message({
              message: res.msg,
              type: 'success',
              duration: 5 * 1000
            })
            this.loading = false
          }).catch(() => {
            this.loading = false
          })
        } else {
          console.log('error submit!!')
          return false
        }
      })
    }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
